Simple, Straightforward Pricing

Choose Your Plan

Every paid plan saves you more than it costs. One avoided shop visit pays for years of access.

MonthlyAnnualSave up to $498/yr

Free

Core learning and reference for DIYers getting started.

Free forever
  • 1 beginner learning module
  • Engine specs database (view)
  • Diagnostic symptom previews
  • Maintenance schedules (view)
  • All 5 equipment segments
  • Advanced & professional modules
  • Full spec sheets (torque & clearances)
  • Solution steps & full diagnostics
  • Maintenance tracking & reminders
  • Team seats & shared logs
Most Popular

DIY Pro

Full technical library and tracking for serious DIYers.

$12 / month
Super Agent

Full super agent with conversation memory, photo analysis, maintenance history access, and always-on web search to verify specs against OEM manuals.

  • Everything in Free
  • Super Agent AI (photo analysis + web search + memory)
  • Full learning library (all levels)
  • Full engine spec sheets
  • Complete diagnostic guides (solution steps)
  • Maintenance tracking & reminders
  • Saved diagnostic reports
  • Offline access
  • Team seats & shared logs
  • API access
  • Priority support

Cancel anytime. No lock-in contracts.

Technician Pro

Pro-grade reference and diagnostics for working technicians.

$39 / month
Super Agent Pro

Upgraded reasoning model (Gemini 3.1 Pro) with always-on web search, deeper diagnostic depth, and professional-grade spec verification against canonical OEM service manuals.

  • Everything in DIY Pro
  • Super Agent Pro (deeper reasoning model + always-on web search)
  • Professional blueprinting modules
  • Printable diagnostic guides
  • Advanced tribology & fluid dynamics
  • Performance tuning reference
  • Priority support
  • Team seats & shared logs
  • API access
  • Dedicated account manager

Cancel anytime. No lock-in contracts.

Fleet & Enterprise

Team access, shared logs, and priority support for fleets & shops.

$249 / month
Super Agent Enterprise

Highest-capability AI with priority processing, fleet-wide diagnostic analytics, always-on web search, and the deepest reasoning model for commercial multi-engine operations.

  • Everything in Technician Pro
  • Super Agent Enterprise (priority AI + fleet diagnostics)
  • Team seats (up to 10 users)
  • Shared maintenance logs
  • Multi-user team seats
  • Analytics dashboard
  • Single sign-on (SSO)
  • Dedicated account manager
  • Custom content requests
  • Onboarding & training

Cancel anytime. No lock-in contracts.

Your Money Stays in Your Pocket

$0

Free Diagnostics

Basic help costs nothing. Ever.

$150+

Average Shop Visit

What you save on one repair.

∞

Pro Access

All specs, guides & tracking.

Cancel anytime
Secure payment via Stripe
30-day money-back guarantee

Gear Head Learning & Diagnostics — Master small engines, 2000cc and under.

Always consult your engine's service manual for specific procedures and specifications.

AI Engine Doctor
base44
Edit with Base44